Human Digestive System Diagram and Explanation:
The human digestive system is a complex system responsible for breaking down food into nutrients that can be absorbed by the body. Below is a neat diagram of the human digestive system with labels:

Main Organs of the Digestive System:
- Mouth: The digestion process begins in the mouth where food is chewed and mixed with saliva.
- Esophagus: The esophagus is a muscular tube that carries food from the mouth to the stomach.
- Stomach: The stomach is a J-shaped organ where food is further broken down by stomach acids.
- Small Intestine: The small intestine is where most of the digestion and absorption of nutrients takes place.
- Large Intestine: The large intestine absorbs water and salts from the material that has not been digested as food.
- Liver: The liver produces bile, which helps break down fats in the small intestine.
- Pancreas: The pancreas produces enzymes that help with digestion and regulates blood sugar levels.

How Digestion Works:
- Food enters the mouth and is broken down by chewing and saliva.
- The food travels down the esophagus to the stomach where it is mixed with stomach acids.
- From the stomach, the partially digested food moves to the small intestine where most of the digestion and absorption of nutrients occurs.
- The remaining waste then moves to the large intestine where water and salts are absorbed.
- Finally, the waste is eliminated from the body through the rectum and anus.
In conclusion, the human digestive system is essential for breaking down food into nutrients that can be used by the body for energy and growth. Each organ plays a specific role in the digestion process, ensuring that the body receives the necessary nutrients to function properly.